Three-side clock



FIG. 1 is a front elevational view of a three-sided clock showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left-print elevational view thereof;

FIG. 6 is a top and right-print perspective view thereof. 

The ornamental design for a three-side clock, as shown and described. 